136618194 has 16 divisors (see below), whose sum is σ = 274432320. Its totient is φ = 45340080.

The previous prime is 136618193. The next prime is 136618199. The reversal of 136618194 is 491816631.

It is not an unprimeable number, because it can be changed into a prime (136618193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48342 + ... + 51089.

It is an arithmetic number, because the mean of its divisors is an integer number (17152020).

Almost surely, 2^136618194 is an apocalyptic number.

136618194 is an abundant number, since it is smaller than the sum of its proper divisors (137814126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136618194 is a wasteful number, since it uses less digits than its factorization.

136618194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99665.

The product of its digits is 31104, while the sum is 39.

The square root of 136618194 is about 11688.3785872977. The cubic root of 136618194 is about 515.0343320814.

The spelling of 136618194 in words is "one hundred thirty-six million, six hundred eighteen thousand, one hundred ninety-four".